755149771 has 2 divisors, whose sum is σ = 755149772. Its totient is φ = 755149770.

The previous prime is 755149729. The next prime is 755149793. The reversal of 755149771 is 177941557.

755149771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (177941557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 755149771 - 2⁷ = 755149643 is a prime.

It is not a weakly prime, because it can be changed into another prime (755149721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377574885 + 377574886.

It is an arithmetic number, because the mean of its divisors is an integer number (377574886).

Almost surely, 2^755149771 is an apocalyptic number.

755149771 is a deficient number, since it is larger than the sum of its proper divisors (1).

755149771 is an equidigital number, since it uses as much as digits as its factorization.

755149771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308700, while the sum is 46.

The square root of 755149771 is about 27479.9885553106. The cubic root of 755149771 is about 910.6350560501.

The spelling of 755149771 in words is "seven hundred fifty-five million, one hundred forty-nine thousand, seven hundred seventy-one".